Novel linear molecular aggregation tethered by hydrogen-Bonded interaction within the crystalline calix[4]arene derivatives |
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| Affiliation: | 1. State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, Institute of Advanced Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China;2. Graduate School of Science and Technology for Innovation, Graduate School Science and Engineering, Yamaguchi University, Ube, 755-8611, Japan;1. Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat, 390002, India;2. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai 400 085, India;1. Department of Chemical Engineering, Faculty of Engineering, University of Kashan, 87317-53153 Kashan, Iran;2. Laboratory of Supercriritcal Fluids and Nanotechnology, University of Kashan, 87317-53153 Kashan, Iran;3. Modeling and Simulation Centre, Faculty of Engineering, University of Kashan, 87317-53153 Kashan, Iran;4. South Zagros Oil and Gas Production, National Iranian Oil Company, 7135717991 Shiraz, Iran;1. Universidad Nacional de Córdoba, Facultad de Ciencias Químicas Departamento de Química Orgánica, Instituto de Investigaciones en Fisicoquímica de Córdoba, INFIQC, Haya de la Torre esq, Medina Allende, Ciudad Universitaria, CP:X5000HUA Córdoba, Argentina;2. Universidad Nacional de Córdoba, Facultad de Matemática, Astronomía, Física y Computación, CONICET, IFEG. Av. Medina Allende s/n, Ciudad Universitaria, CP:X5000HUA Córdoba, Argentina;3. Instituto de Investigaciones en Fisicoquímica de Córdoba, INFIQC-CONICET, Haya de la Torre esq, Medina Allende, Ciudad Universitaria, CP:X5000HUA Córdoba, Argentina |
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| Abstract: | Single crystals of two calix4]arene derivatives, that is, 5,11,17,23-tetra-tert-butyl- 25,27-bis2-N-(3-methoxy-4-methoxy-benzylidene)-amino]ethoxy]-26,28- dihydroxy calix4]arene (1) and 5,11,17,23-tetra-tert-butyl-25,27-bis2-3- pyridine carbonyl-amino]ethoxy]-26,28-dihydroxy calix4]arene (2), were prepared and their crystal structures have been determined by X-ray crystallographic study. As compared with calix4]arene derivative 1 possessing CN functional group, compound 2 bearing the NH group could form not only intermolecular hydrogen bonds between the hydrogen atom in NH group and the oxygen atom in CO of an adjacent calix4]arene molecule, but also intramolecular hydrogen bonds between the N—H?OC moieties in solid state, giving a rare linear molecular aggregation. |
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